Why are people (agents) needed on the ground for the Stuxnet virus to work?

1. To actively engage in the physical destruction of targeted computer systems.

2. To describe the configuration of PLCs in a factory and tap into closed networks and upload virus.

3. To collaboratively develop and implement advanced cybersecurity protocols.

4. To initiate Distributed Denial of Service (DDoS) attacks.

5. To clandestinely infiltrate and gather intelligence on the local network infrastructure.